One variation of a payment card includes: a sheet comprising first and second icons; a transducer configured to output a voltage in response to an impulse on the sheet; a wireless communication module; a first input region adjacent the first icon; a second input region adjacent the second icon; a magnetic stripe emulator; and a processor configured to transition from a passive state to an active state in response a voltage output from the transducer, to receive a first magnetic sequence command associated with a first payment method and a second magnetic sequence command associated with a second payment method, to assign the first payment method to the first input region and the second payment method to the second input region, to receive a selection for the second payment method from the second input region, and to control the magnetic stripe emulator according to the second magnetic sequence command.